Reviewed-by: Evan Quan <evan.quan at amd.com> ________________________________ From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Rex Zhu <rex.zhu at amd.com> Sent: Sunday, July 29, 2018 7:35:50 PM To: amd-gfx at lists.freedesktop.org Cc: Zhu, Rex Subject: [PATCH 4/4] drm/amdgpu: Disable gfx off if VCN is busy this patch is a workaround for the gpu hang at video end time if play video with gfx off enabled. Signed-off-by: Rex Zhu <Rex.Zhu at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 798648a..d68039f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -214,6 +214,7 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work) fences += amdgpu_fence_count_emitted(&adev->vcn.ring_jpeg); if (fences == 0) { + amdgpu_gfx_off_ctrl(adev, AMD_IP_BLOCK_TYPE_VCN, true); if (adev->pm.dpm_enabled) amdgpu_dpm_enable_uvd(adev, false); else @@ -230,6 +231,7 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring) bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work); if (set_clocks) { + amdgpu_gfx_off_ctrl(adev, AMD_IP_BLOCK_TYPE_VCN, false); if (adev->pm.dpm_enabled) amdgpu_dpm_enable_uvd(adev, true); else -- 1.9.1 _______________________________________________ amd-gfx mailing list amd-gfx at lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20180730/d61c3cb3/attachment.html>